280328490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239597}}^1$

素因数の和:239623

約数の個数: 48

約数和(自身を含む): 784923048

約数和(自身を除く): 504594558

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 239597, 479194, 718791, 1197985, 1437582, 2156373, 2395970, 3114761, 3593955, 4312746, 6229522, 7187910, 9344283, 10781865, 15573805, 18688566, 21563730, 28032849, 31147610, 46721415, 56065698, 93442830, 140164245, 280328490]

約数ペア:

[(1, 280328490), (2, 140164245), (3, 93442830), (5, 56065698), (6, 46721415), (9, 31147610), (10, 28032849), (13, 21563730), (15, 18688566), (18, 15573805), (26, 10781865), (30, 9344283), (39, 7187910), (45, 6229522), (65, 4312746), (78, 3593955), (90, 3114761), (117, 2395970), (130, 2156373), (195, 1437582), (234, 1197985), (390, 718791), (585, 479194), (1170, 239597)]